Grateful Dead founding member Bobby Weir is one of the last men standing in his legendary rock band. The thought of mortality has crossed Weir’s mind, as he’s seen many of his band members pass.

Bobby Unser was in sixth place, A. J. Foyt seventh, Janet Guthrie ninth, Mario Andretti 12th, Johnny Rutherford 13th, Danny Ongais 18th, Rick Mears 23rd and Jerry Sneva, Tom’s younger brother ...